The extension of the Munich (DE) urban railway system (metro) includes the construction of the Am Hart station by cut-and-cover techniques. In order to avoid the need for comprehensive dewatering measures the station is being constructed in a sealed cofferdam. This was constructed from 8 700 m2 of BU 25 U-shaped paired sheet piles with a section modulus … Lire la suite de Urban railway tunnel (metro) I Munich | DE